PLATE XXXIV., FIG. 3. Pitchstone, Arran. 



4. 



5. Eigg. 



XXXV., 1. Biotite-granite, Shap. 



2. Enstatite-diorite, Penmaenmawr. 



XXXVI., 1. Enstatite-augite-andesite, Cheviot District. 



2. 



XXXVII., 1. Hornblende-andesite, Beinn Nevis. 



2. Enstatite-porphyrite, Cheviot District. 



XXXVIII., 1 & 2. Perlitic felsite, Long Sleddale. 



XXXIX., 1. Spherulitic felsite, Arran. 



2. Augite-granite, Cheviot District. 



1. Plagioclase-augite-magnetite rock, Kyle Sku. 



2. Zoisite-amphibolite, Erribol. 

 1. Phonolite, Wolf Rock. 



2.. Leucitophyre, Eifel. 



1. Schistose granite, Porthalla. 



2. Ballybrack. 



1. Flaser-granite, Beinn Vuroch. 



2. Flaser-gabbro, Karakclews. 



1. Zircon ; 2. Cyanite ; 3. Tourmaline ; 4. Rutile ; 

 5. Kaolinite ; 6. Anatase. 



1. Schistose volcanic- breccia, Llyn Padarn. 



2. Quartzite, Lickey. 



XL, 



XLI., 



XLII., 



XLIII., 



XLIV., 



XLV., 



XLVL, 



2. Schistose quartzite, Erribol. 



XLVIL, 1. Glaucophane-epidote schist, Anglesea. 



2. Glaucophane ; 3. Sphene ; 4. Nosean, &c. 

 5. Micropegmatite. 



